Magnesium 3-hydroxybutyrate is primarily utilized in the field of nutritional supplements and health sciences. It serves as a source of magnesium, an essential mineral crucial for numerous bodily functions, including muscle and nerve function, blood sugar regulation, and bone health. Additionally, the 3-hydroxybutyrate component is a ketone body, which can provide an alternative energy source for the brain and muscles, particularly in low-carbohydrate or ketogenic diets. This compound is often incorporated into dietary supplements aimed at supporting energy metabolism, cognitive function, and overall physical performance. It may also be explored for its potential benefits in managing conditions related to magnesium deficiency or metabolic disorders.